Yatan Pal Singh Balhara1, Kamini Verma2, Rachna Bhargava3. 1. Behavioral Addictions Clinic (BAC), Department of Psychiatry, National Drug Dependence Treatment Center, All India Institute of Medical Sciences (AIIMS), New Delhi, India. Electronic address: ypsbalhara@gmail.com. 2. National Drug Dependence Treatment Center, All India Institute of Medical Sciences (AIIMS), New Delhi, India. 3. Department of Psychiatry, National Drug Dependence Treatment Center, All India Institute of Medical Sciences (AIIMS), New Delhi, India.